Online classes: 5 reasons students benefit from 'cameras off'  09/16/2020 08:30:24 
This discomfort is enhanced by the fact that the faces on the screen are often large and appear very close. This can trigger the body's "flight or fight" response, leaving students feeling on edge and impairing their concentration.

2. 'Zoom fatigue'

While "Zoom fatigue" may sound no different than regular fatigue, science suggests that it is different and that constant video engagement may exacerbate the problem.
Most of us learn much from nonverbal cues. The face-only format of online video still results in missing many nonverbal cues such as hand gestures, and requires people to work harder to interpret the ones they can see.
The face-only format also leads people to focus more on verbal cues, which can be tiring. When there are many faces on the screen, most people try to pay attention to all of them -- a type of multitasking called continuous partial attention.
People have trouble doing this. Switching quickly between tasks can impair memory and decrease the ability to perform tasks. The multitasking required for engaging in a class with multiple active video chats is no different. These problems result in participants being less engaged and feeling drained.

3. Competing obligations

While it would be ideal for all students to sit at home in a quiet room free of distractions during online classes, this won't always be the case. Students across all stages of education may be responsible for taking care of other family members or even their own children.
Access to child care is even more limited than usual during the pandemic. This may mean that some students multitask by caring for their kids or siblings while attending an online class. These responsibilities may be distracting for others and embarrassing to the students involved. It is worth noting that these competing obligations are not specific to students. Many teachers also have to deal with these same concerns.

4. Right to privacy

At school, students are not required to disclose details about their personal lives to their peers, but some of this privacy is lost in video-based classrooms. To turn on video means allowing others into their home.

Many of these online platforms are not secure -- as evidenced by the "Zoombombers" who have infiltrated classes, often disrupting instruction and sharing participants' personal information. The information provided by students could be accessed by others and the content of the video could expose the location of the student's home and with whom they live.
This concern is about more than just discomfort at others learning personal details. For some students, exposing this information can endanger their lives or their families. For example, 1 in 15 children are exposed to intimate partner violence each year and some may be fleeing abusive situations.
Additionally, there are an estimated 3.2 million undocumented children and young adults in the US, and many more children who live with undocumented relatives. Online video risks exposing this information to authorities.
With the development of sophisticated facial recognition software, these concerns are amplified, especially when branches of law enforcement may have access to this technology.

5. Financial means and other kinds of access

Requiring students to use video during class makes assumptions about the ability or students or their families to pay for the requisite technology. Approximately 1 in 5 students live below the federal poverty line and lack access to the technology needed for online classes -- from computers or tablets to Wi-Fi.
While some public school districts have made efforts to distribute tablets and laptops to students, there are other financial burdens that need to be considered. At the start of the pandemic, about 14% of students did not have internet access.
Although internet service providers made efforts to increase access, many households may not have the bandwidth required for video streaming.
Furthermore, more than 1.5 million students attending public schools or going to college experience homelessness in a given year. Students may not want to share information about their living situation with their classmates, but a requirement to use video may force them to do so since their peers might realize what's going on when students have to connect to class from their cars or local establishments.
The problems listed here are not comprehensive and do not begin to address the additional concerns for students who require classroom accommodations. This discussion has also not touched on the situations that teachers face. Many educators struggle without a way to see and engage with their students regularly and have tried to use video for this purpose.
These concerns about required video in online classes are not aimed to prevent teachers connecting with students. The goal is to ensure that students feel comfortable and safe while learning online. There are many ways to engage with students through distance learning and it may take time to find a system that works best for everyone. But, based on my research, I believe that required video should not be part of it.

Tabitha Moses is a doctoral candidate of medicine and of philosophy at Wayne State University.

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